Your question is not really answerable as you give no diagnosis. "Low back pain" can have many causes. If we assume you have at least a partially herniated disk, both singles and doubles will potentially exacerbate the problem, singles likely moreso because of more running involved. A split-step is likely no worse than all the running and stopping involved in singles.

Your question is not really answerable as you give no diagnosis. "Low back pain" can have many causes. If we assume you have at least a partially herniated disk, both singles and doubles will potentially exacerbate the problem, singles likely moreso because of more running involved. A split-step is likely no worse than all the running and stopping involved in singles.

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Offer me up 2 opinions since I have no clue whether it is a disc or muscle issue